staging: rtl8723bs: remove redundant else branches

Adhere to Linux kernel coding style.

Reported by checkpatch:

WARNING: else is not generally useful after a break or return

Signed-off-by: Sevinj Aghayeva <sevinj.aghayeva@gmail.com>
Link: https://lore.kernel.org/r/fcb50e467d5ac81becf222379bcc21136966b86b.1649128267.git.sevinj.aghayeva@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>